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Northwest Subregion (Focal Areas GL1–GL2; Figures 3–40 and 3–41; Table 3–10) General Description This subregion supports approximately 1% of the region’s and world’s Golden-winged Warblers. The primary habitats for Golden-winged Warblers in these focal areas are young aspen forests, aspen parkland, and open oak/shrub savannah. It is notable that Golden-winged Warblers occupy mature aspen forests where gap dynamics provide suitable nesting habitat (i.e. aspen parkland). This ecology is unique to this subregion because aspen forest is the climax 3–64 community unlike in other parts of the range where it is succeeded by hardwood forest or other forest types. Blue-winged Warblers have not been observed here and no Golden-winged Warbler cryptic hybrids have been detected, so this is one of the last strongholds for pure Golden-winged Warblers. There is high potential for creating suitable habitat via aspen harvesting and prescribed burning. Note: there was insufficient remotely sensed data to model Golden-winged Warbler habitat associations in this subregion. Table 3–10. Population and habitat goals for focal areas in the Northwest subregion.* Focal Area Map ID Focal Area Name Estimated Population for 2010 (individuals) Population Goal for 2050 (individuals) Estimated Breeding Habitat for 2010 in acres (ha) Breeding Habitat Goal for 2050 in acres (ha) GL1 Manitoba Escarpment 2500 3750 12,500 (5060) 18,750 (7590) GL2 Manitoba Interlakes 500 750 2500 (1000) 3750 (1520) *Population estimates are based on expert knowledge and Golden-winged Warbler Atlas Project data. Potential Partners and Priority Sties National/Regional – Environment Canada (Golden-winged Warbler Recovery Team), Riding Mountain National Park, Riding Mountain Biosphere Reserve Provincial – Manitoba Conservation NGOs – Bird Studies Canada, The Nature Conservancy Canada, Nature Manitoba (Manitoba Naturalists Society), local forest owners associations (contact extension service for information) Industry – Louisiana-Pacific Canada Tribal – First Nations in Manitoba
Figure 3–40. Model results showing the current predicted distribution of Golden-winged and Blue-winged warblers the Northwest. Locations inside focal areas and without Blue-winged Warbler should receive highest priority for conservation and management actions. A smaller number of ecological variables were available to model the estimated warbler distribution in Canada, and thus estimates for some areas within the Great Lakes Conservation region are preliminary. However, model predictions for these focal areas demonstrated relatively good support. 3–65
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Golden-winged Warbler Status Review
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Chapter 3. GOLDEN-WINGED WARBLER BR
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CHAPTER 3: TABLE OF CONTENTS CHAPTE
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CHAPTER 3 SUMMARY This plan (Chapte
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not prevent establishment by Blue-w
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Focal Areas and Priorities Geograph
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Thus to reach the 40-year goal of i
Page 15 and 16: Quick Start Guide for Land Managers
Page 17 and 18: Developing Habitat at Management Si
Page 19 and 20: (Rosa multiflora), sweetfern (Compt
Page 21 and 22: Based on current management opportu
Page 23 and 24: synthesized results used to develop
Page 25 and 26: population recovery, it is likely t
Page 27 and 28: winged and Blue-winged warbler, whe
Page 29 and 30: Management Site Scale Creating and
Page 31 and 32: year rotation), 185 ac (75 ha) of h
Page 33 and 34: Habitat Interspersion — A high de
Page 35 and 36: that one category could become the
Page 37 and 38: Promote natural disturbance regimes
Page 39 and 40: Timber Management Even-aged and two
Page 41 and 42: potential to become large-diameter
Page 43 and 44: Prescribed Burning Fire has played
Page 45 and 46: Grazing Grazing can maintain pastur
Page 47 and 48: higher rate of grazing pressure tha
Page 49 and 50: Mid-Atlantic Subregion (Focal areas
Page 51 and 52: Figure 3-29. Model results showing
Page 53 and 54: Northern Appalachian Subregion (Foc
Page 55 and 56: Distribution of Public and Protecte
Page 57 and 58: Potential Partners and Priority Sit
Page 59 and 60: Southern Appalachian-Cumberland Sub
Page 65: The Great Lakes Conservation Region
Page 69 and 70: Lake of the Woods Subregion (Focal
Page 75 and 76: Lower Michigan Subregion (Focal Are
Page 79 and 80: Figure 3-48. Model results showing
Page 81 and 82: New England Subregion (Focal Areas
Page 85 and 86: to maintain the Golden-winged Warbl
Page 87 and 88: especially in the years immediately
Page 89 and 90: Response of Associated Species We r
Page 91 and 92: Table 3-16. Summary of conservation
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